Fitted Sector Analytics for RAN Coverage Mapping
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Solution Overview
Problem
Current network management tools provide sub-optimal accuracy in determining cell range and sector coverage for Radio Access Networks (RAN) due to limitations in geometric methods like Voronoi diagrams, which are primarily accurate at the cell site level, leading to sub-optimal network planning and management.
Innovation Solution
The Fitted Sector Analytics service uses a Voronoi algorithm to generate sector-level Voronoi diagram information, calculating a maximum radius within each polygon and determining sectored locations to provide more accurate sector-level coverage mapping, improving RAN planning and management tasks such as PCI planning, cell interference management, and device configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If geometric methods like Voronoi diagrams are used for network management, then the process is simple and fast, but the accuracy of determining cell range and sector coverage is sub-optimal
Solution Approach 1:
The patent segments the network management approach by distinguishing between cell site-level Voronoi diagrams (simpler, faster) and sector-level Voronoi diagrams (more accurate). By dividing the analysis into these two levels with different computational complexities, the system achieves high accuracy for sector coverage while maintaining operational feasibility through selective application of each method.
Solution Approach 2:
The patent introduces a new dimension of analysis by generating sector-level Voronoi diagrams in addition to traditional cell site-level diagrams. This additional dimensional layer of detail enables more precise determination of sector coverage boundaries without completely replacing the simpler cell site-level approach, thus improving accuracy while managing complexity through hierarchical analysis.
2Measurement precision
If cell site level Voronoi diagrams are used, then computational speed is maintained, but sector level coverage accuracy deteriorates
Solution Approach 1:
The system segments Voronoi diagram generation into two distinct operational levels: cell site-level generation for rapid computational results and sector-level generation for high-precision sector coverage analysis. This segmentation allows the system to apply computationally intensive sector-level diagrams only when high precision is required, rather than always using the most complex method.
Solution Approach 2:
The patent applies local quality by using different levels of Voronoi diagram detail in different contexts: cell site-level diagrams for general network management tasks requiring speed, and sector-level diagrams for specific tasks requiring high sector coverage accuracy. This contextual application optimizes the balance between computational speed and measurement precision based on specific operational needs.
Data Source
AI summary
A method, a device, and a non-transitory storage medium provide a fitted sector analytics service. The service may generate sector-fitted diagram information based on cell site diagram information. The service may calculate geographic coordinates for each sector of a cell site based on cell site coordinates, a maximum radius value, and a direction of an antenna associated with a sector of a radio access network device.